diff options
Diffstat (limited to 'drivers/mtd/devices/phram.c')
| -rw-r--r-- | drivers/mtd/devices/phram.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index a423a382095..e8685ee6c1e 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -1,5 +1,5 @@ /** - * $Id: phram.c,v 1.14 2005/03/07 21:43:38 joern Exp $ + * $Id: phram.c,v 1.16 2005/11/07 11:14:25 gleixner Exp $ * * Copyright (c) ???? Jochen Schäuble <psionic@psionic.de> * Copyright (c) 2003-2004 Jörn Engel <joern@wh.fh-wedel.de> @@ -22,6 +22,7 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/slab.h> #include <linux/mtd/mtd.h> #define ERROR(fmt, args...) printk(KERN_ERR "phram: " fmt , ## args) @@ -40,10 +41,10 @@ static int phram_erase(struct mtd_info *mtd, struct erase_info *instr) if (instr->addr + instr->len > mtd->size) return -EINVAL; - + memset(start + instr->addr, 0xff, instr->len); - /* This'll catch a few races. Free the thing before returning :) + /* This'll catch a few races. Free the thing before returning :) * I don't feel at all ashamed. This kind of thing is possible anyway * with flash, but unlikely. */ @@ -62,7 +63,7 @@ static int phram_point(struct mtd_info *mtd, loff_t from, size_t len, if (from + len > mtd->size) return -EINVAL; - + *mtdbuf = start + from; *retlen = len; return 0; @@ -83,7 +84,7 @@ static int phram_read(struct mtd_info *mtd, loff_t from, size_t len, if (len > mtd->size - from) len = mtd->size - from; - + memcpy(buf, start + from, len); *retlen = len; @@ -100,7 +101,7 @@ static int phram_write(struct mtd_info *mtd, loff_t to, size_t len, if (len > mtd->size - to) len = mtd->size - to; - + memcpy(start + to, buf, len); *retlen = len; @@ -158,7 +159,7 @@ static int register_device(char *name, unsigned long start, unsigned long len) } list_add_tail(&new->list, &phram_list); - return 0; + return 0; out2: iounmap(new->mtd.priv); |